.44 Caliber Killer 

A hard onsight for the aspiring 11b leader but after you suss out the moves it fits right into the 11b grade. Take the line straight up at the last bolt for the full effect.
However, the route two lines to the west, Unknown 10d, is much harder. Maybe I stayed out to the left to much and missed some holds on the broken rock to the right, but I don't think so. Im of the opinion that an appropriate grade would be 11+.
The hidden wall was great place to climb this HOT summer.

One of my all time favorites! This route has it all. Tough Bouldery moves along sketchy crimps, slopers, sidepulls, and gastons. Good protection. Crux is between the second and third bolt, but may now be harder on account that a gaston broke off on me. Very tough onsight as the holds are not obvious, and there aren't the best feet on some parts. This route makes Hidden Wall worth the hike.

I feel I should weigh in here as a non-local. This route is quite squeezed between the other two. At one point I could hang onto holds on BOTH of the others routes without being near full extension. It was very hard to figure out where to climb this, and trying to avoid all of the holds on either route was a tad ridiculous, since no matter how you climb it one route or the other's holds are in your face. That said, I did have fun climbing it, probably more fun than the routes on either side. Really great limestone.

As for the "squeeze": Yeah, probably is some. But it was discussed with quite a few locals (including the Mountainworks crew) before a single hole was drilled. It was also top roped to see if it was worth it.